Home / 907,277.80-1,360,916.70-308,914.60

Finding the Fourth Proportional to 907,277.80, 1,360,916.70 and 308,914.60

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Solution

The fourth proportional to 907,277.80, 1,360,916.70 and 308,914.60 is: 463,371.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,277.80 : 1,360,916.70 = 308,914.60 : x
  2. Step 2: Convert to fraction form
    907,277.80/1,360,916.70 = 308,914.60/x
  3. Step 3: Cross multiply
    907,277.80x = 1,360,916.70 × 308,914.60
  4. Step 4: Simplify right side
    907,277.80x = 420,407,038,013.82
  5. Step 5: Solve for x
    x = 420,407,038,013.82/907,277.80
  6. Step 6: Final answer
    x = 463,371.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.